#include <string>
#include <iostream>
#include <list>
#include <deque>
#include <algorithm>
#include <stdexcept>

// boost headers

// components headers
#include "sparse_matrix.h"
#include "sparse_matrix_io.h"
#include "stlhelper.h"
#define DEBUG_LEVEL 6
#include "debug_func.h"


using std::istream;
using std::ostream;
using std::vector;
using std::list;
using std::sort;
using std::string;




